Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\laragon\www\bookstack\database\migrations\2015_12_09_195748_add_user_avatars.php:7 Stack trace: #0 {main} thrown in C:\laragon\www\bookstack\database\migrations\2015_12_09_195748_add_user_avatars.php on line 7